如何在Rails Devise中自动生成密码？ [英] How to auto-generate passwords in Rails Devise?
问题描述
我正在尝试Devise如何与我的一个项目进行用户身份验证。有一个用户要求，他们的管理员应该能够不时地生成一批用户名和用户密码，然后管理员将向用户发送新的用户名和密码。
I am trying out how Devise works with one of my projects for user authentication. There is a user requirement that their admin should be able to generate a batch of username and user's password from time to time, and then the admin will email the new username and password to his users.
假设管理员在MySQL数据库上有直接SQL的知识，Devise可以识别生成的用户名/密码？谢谢！
Assume the admin has the knowledge of direct SQL on the MySQL database, how can the generated usernames/passwords recognized by Devise? Thanks!
推荐答案
使用 Devise.friendly_token 方法：
password_length = 6
password = Devise.friendly_token.first(password_length)
User.create!(:email => 'someone@something.com', :password => password, :password_confirmation => password)
FYI： Devise.friendly_token 返回一个20个字符的令牌。在上面的例子中，我们通过使用 password_length 字符Rails提供的/String.html#method-i-firstrel =noreferrer> String＃first 方法。
FYI: Devise.friendly_token returns a 20 character token. In the example above, we're chopping off the first password_length characters of the generated token by using the String#first method that Rails provides.
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